#include <stdio.h>
int max(int, int);
int main(void){
int a,b,c,d;
scanf("%d %d %d %d",&a
,&b
,&c
,&d
); printf("一番大きな値は%d",max
(max
(a
,b
),max
(c
,d
)));
return 0;
}
int max(int x,int y){
return (x>y)?x:y;
}
I2luY2x1ZGUgPHN0ZGlvLmg+CgppbnQgbWF4KGludCwgaW50KTsKCmludCBtYWluKHZvaWQpewoJCglpbnQgYSxiLGMsZDsKCQlzY2FuZigiJWQgJWQgJWQgJWQiLCZhLCZiLCZjLCZkKTsKCQlwcmludGYoIuS4gOeVquWkp+OBjeOBquWApOOBryVkIixtYXgobWF4KGEsYiksbWF4KGMsZCkpKTsKCQkKCXJldHVybiAwOwp9CgppbnQgbWF4KGludCB4LGludCB5KXsKCXJldHVybiAoeD55KT94Onk7Cn0=