#include <stdio.h>
int main(){
int x, x1, y, y1;
int i, j;
char myArray[80][80];
​
printf("#1 x y x1 y1):");
if(scanf("%d,%d,%d,%d", &x, &y, &x1, &y1) < 0 || x==x1 || y==y1 || x+x1+y+y1 > 321){
    printf("erro");
 return 1;
}
 for(i = 0; i < 80; i++){
    for(j = 0; j < 80; j++)
        myArray[i][j] = 'Z';
    }

 for(i = y-1; i < y1; i++){
    for (j = x-1; j <  x1; j++)
        myArray[i][j] = '*';
    }
​
 for(i = y; i < y1- 1; i++){
    for (j = x; j < x1 - 1 ; j++)
        myArray[i][j] = ' ';
    }
​
printf("#2 x y x1 y1: ");
if (scanf("%d,%d,%d,%d", &x, &y, &x1, &y1) < 0 || x==x1 || y==y1 || x+x1+y+y1 > 321){
    printf("error");
 return 1;
}
​
 for(i = y-1; i < y1; i++ ){
    for(j = x-1; j <  x1; j++)
        myArray[i][j] = '*';
    }
​
 for(i = y; i < y1- 1; i++){
    for(j = x; j < x1 - 1 ; j++)
        myArray[i][j] = ' ';
    }
​
 for ( i = 0; i < 80; i++ ){
    for ( j = 0; j < 80; j++ ){
        printf( "%C", myArray[i][j]);
    }

    printf( "\n" );
 }
getchar();
}