#include<stdio.h>int main(){int a,b,c;scanf("%d%d%d",&a,&b,&c);if(a==b&&a==c) printf("0");else printf("1");}
#include <stdio.h>void main(){ int a=0, b=0, c=0; printf("%c",(a==b)?'0':(c==a)?'0':(c==b)?'0':'1',scanf("%d%d%d",&a,&b,&c));}
Try this one .