#include<stdio.h>
#include<string.h>

int main()
{
	int r1, r2, r3, ten, r;
	int R1, R2, R3, RS;
	int x, y, z;
	printf("Please enter the color code 1 of the resistor R1:\n");
	scanf(" %c",&x);
	switch(x){
		case 'B':
			r1 = 0;
			break;
		case 'b':
			r1 = 1;
			break;
		case 'R':
			r1 = 2;
			break;
		case 'O':
			r1 = 3;
			break;
		case 'Y':
			r1 = 4;
			break;
		case 'G':
			r1 = 5;
			break;
		case 'V':
			r1 = 7;
			break;
		case 'g':
			r1 = 8;
			break;
		case 'W':
			r1 = 9;
		default:
			r1 = 0;
			break;
	}
	printf("Please enter the color code 2 of the resistor R1:\n");
		scanf(" %c",&y);
	switch(y){
		case 'B':
			r2 = 0;
			break;
		case 'b':
			r2 = 1;
			break;
		case 'R':
			r2 = 2;
			break;
		case 'O':
			r2 = 3;
			break;
		case 'Y':
			r2 = 4;
			break;
		case 'G':
			r2 = 5;
			break;
		case 'V':
			r2 = 7;
			break;
		case 'g':
			r2 = 8;
			break;
		case 'W':
			r2 = 9;
		default:
			r2 = 0;
			break;
	}
	printf("Please enter the color code 3 of the resistor R1:\n");
		scanf(" %c",&z);
	switch(z){
		case 'B':
			r3 = 0;
			break;
		case 'b':
			r3 = 1;
			break;
		case 'R':
			r3 = 2;
			break;
		case 'O':
			r3 = 3;
			break;
		case 'Y':
			r3 = 4;
			break;
		case 'G':
			r3 = 5;
			break;
		case 'V':
			r3 = 7;
			break;
		case 'g':
			r3 = 8;
			break;
		case 'W':
			r3 = 9;
		default:
			r3 = 0;
			break;
	}
	r1 = 10*r1;
	ten = 10;
	for(r = r3 - 1; r>0; r--){
		ten = ten * 10;
	}
	R1 = r1 + r2;
	R1 = R1 * ten;
	printf("R1 = %d",R1);
	printf(" Ohms\n");	//R1

		printf("Please enter the color code 1 of the resistor R2:\n");
	scanf(" %c",&x);
	switch(x){
		case 'B':
			r1 = 0;
			break;
		case 'b':
			r1 = 1;
			break;
		case 'R':
			r1 = 2;
			break;
		case 'O':
			r1 = 3;
			break;
		case 'Y':
			r1 = 4;
			break;
		case 'G':
			r1 = 5;
			break;
		case 'V':
			r1 = 7;
			break;
		case 'g':
			r1 = 8;
			break;
		case 'W':
			r1 = 9;
		default:
			r1 = 0;
			break;
	}
	printf("Please enter the color code 2 of the resistor R2:\n");
		scanf(" %c",&y);
	switch(y){
		case 'B':
			r2 = 0;
			break;
		case 'b':
			r2 = 1;
			break;
		case 'R':
			r2 = 2;
			break;
		case 'O':
			r2 = 3;
			break;
		case 'Y':
			r2 = 4;
			break;
		case 'G':
			r2 = 5;
			break;
		case 'V':
			r2 = 7;
			break;
		case 'g':
			r2 = 8;
			break;
		case 'W':
			r2 = 9;
		default:
			r2 = 0;
			break;
	}
	printf("Please enter the color code 3 of the resistor R2:\n");
		scanf(" %c",&z);
	switch(z){
		case 'B':
			r3 = 0;
			break;
		case 'b':
			r3 = 1;
			break;
		case 'R':
			r3 = 2;
			break;
		case 'O':
			r3 = 3;
			break;
		case 'Y':
			r3 = 4;
			break;
		case 'G':
			r3 = 5;
			break;
		case 'V':
			r3 = 7;
			break;
		case 'g':
			r3 = 8;
			break;
		case 'W':
			r3 = 9;
		default:
			r3 = 0;
			break;
	}
	r1 = 10*r1;
	ten = 10;
	for(r = r3 -1; r>0; r--){
		ten = ten * 10;
	}
	R2 = r1 + r2;
	R2 = R2 * ten;
	printf("R2 = %d",R2);
	printf(" Ohms\n");	//R2

		printf("Please enter the color code 1 of the resistor R2:\n");
	scanf(" %c",&x);
	switch(x){
		case 'B':
			r1 = 0;
			break;
		case 'b':
			r1 = 1;
			break;
		case 'R':
			r1 = 2;
			break;
		case 'O':
			r1 = 3;
			break;
		case 'Y':
			r1 = 4;
			break;
		case 'G':
			r1 = 5;
			break;
		case 'V':
			r1 = 7;
			break;
		case 'g':
			r1 = 8;
			break;
		case 'W':
			r1 = 9;
		default:
			r1 = 0;
			break;
	}
	printf("Please enter the color code 2 of the resistor R2:\n");
		scanf(" %c",&y);
	switch(y){
		case 'B':
			r2 = 0;
			break;
		case 'b':
			r2 = 1;
			break;
		case 'R':
			r2 = 2;
			break;
		case 'O':
			r2 = 3;
			break;
		case 'Y':
			r2 = 4;
			break;
		case 'G':
			r2 = 5;
			break;
		case 'V':
			r2 = 7;
			break;
		case 'g':
			r2 = 8;
			break;
		case 'W':
			r2 = 9;
		default:
			r2 = 0;
			break;
	}
	printf("Please enter the color code 3 of the resistor R2:\n");
		scanf(" %c",&z);
	switch(z){
		case 'B':
			r3 = 0;
			break;
		case 'b':
			r3 = 1;
			break;
		case 'R':
			r3 = 2;
			break;
		case 'O':
			r3 = 3;
			break;
		case 'Y':
			r3 = 4;
			break;
		case 'G':
			r3 = 5;
			break;
		case 'V':
			r3 = 7;
			break;
		case 'g':
			r3 = 8;
			break;
		case 'W':
			r3 = 9;
		default:
			r3 = 0;
			break;
	}
	r1 = 10*r1;
	ten = 10;
	for(r = r3 -1; r>0; r--){
		ten = ten * 10;
	}
	R3 = r1 + r2;
	R3 = R3 * ten;
	printf("R3 = %d",R3);
	printf(" Ohms\n");	//R3

	RS = R1 + R2 + R3;
	printf("The total resistance for a series circuit = RT = R1+R2+R3 = %d",RS);
	printf(" Ohms\n");	//in series

	double R11,R21,R31,RP;
	R11 = 1/R1;
	R21 = 1/R2;
	R31 = 1/R3;
	RP = 1/(R11 + R21 + R31);
	printf("The total resistance for a parallel circuit = RT = 1/[(1/R1)+(1/R2)+(1/R3)] = %d",RP);
	printf(" Ohms");	//in paralles

	return 0;
}