#include <stdio.h> 
/*int main(){ 
    int a=10;
    int c;
    float b;
    c=a/3.0; 
    b=((double)(3/2)+0.5+(int)1.99*2);
    printf("%d\n",c);
    printf("%1f",b);
   // return 0; 
    
}*/
/*
void main() {
    char x='b';
    putchar(x);
    putchar('\101');
    putchar('\x41');
    putchar(65);
}*/

int main(){
    int a,b,c;
    printf("please input num a:\n");
    a=getchar();
    printf("please input num b:\n");
    b=getchar();
    printf("please input num c:\n");
	c=getchar();	
    printf("%d,%d,%d",a,b,c); 
}