#include <stdio.h>

int main(void) {
	// your code goes here
	int a,b,c,max;
	printf("Input a,b,c:");
	scanf("%d%d%d",&a,&b,&c);
	max=a;
	if(b>max)max=b;
	if(c>max)max=c;
	printf("max=%d\n",max);
	return 0;
}