120%AC

#include<cstdio>
int main(){
    int a,b,c,max=-2147483648;
    scanf("%d %d %d",&a,&b,&c);
    if(a>max)max=a;
    if(b>max)max=b;
    if(c>max)max=c;
    printf("%d",max);
}

#include<iostream>
using namespace std;

int main(){
    int a,b,c,max_abc=-2147483648;
    cin>>a>>b>>c;
    if(a>max)
    {
        max_abc=a;
    }
    if(b>max)
    {
        max_abc=b;
    }
    if(c>max)
    {
        max_abc=c;
    }
    cout<<max_abc<<endl;
    return 0;
}