程序代码：

#include <stdio.h>

int main()
{
    int a,b,c;
    while(scanf("%d %d %d",&a,&b,&c)!=EOF)
    {
        if(a < b)    {a+=b;b=a-b;a-=b;}
        if(a < c)    {a+=c;c=a-c;a-=c;}
        printf("%d\n",a);
    }
    return 0;
}