#include<stdio.h>


int main(void)
{
    float n1,n2;
    char sym,choice;
    printf("\nThis Program is a program for calculator\n\n");
    printf("Enter your first value");
    scanf("%f",&n1);
    printf("\nEnter the operation");
    scanf("%c",&n1);
    printf("\nEnter your second value");
    scanf("%f",&n1);
    if(sym=='+')
        printf("\n%f",n1+n2);
    else if(sym=='-')
        printf("\n%f",n1-n2);
    else if(sym=='*')
        printf("\n%f",n1*n2);
    else if(sym=='/')
        printf("%f",n1/n2);
    else
        printf("You have entered an invalid input");
    printf("\nDo you wish to continue[y/n]");
    scanf("%s",&choice);
    if(choice=='y'||choice=='Y')
        main();
   else if (choice=='n'||choice=='N'){
   return 0;
}
  else
   printf("Invalid input program will restart again");
   main();
}