难度极低。显然，句子开头是You are right, but即为人工智能。
#include <iostream>
#include <string>
#include <cstdio>
namespace io{
template <typename T> inline void read(T& x){x = 0; bool f = false; char ch = getchar(); while(ch < '0' || ch > '9'){if(ch == '-') f = !f; ch = getchar();}while(ch >= '0' && ch <= '9'){x = (x << 3) + (x << 1) + (ch ^ 48); ch = getchar();} x = (f ? -x : x); return;}
template <typename T, typename... Args> inline void read(T& x, Args&...x_){read(x), read(x_...);}
template <typename T> inline void put(T x){if(x < 0) putchar('-'), x = -x; if(x > 9) put(x / 10); putchar(x % 10 + '0'); return ;}
template <typename T> inline void write(T x){put(x);}
template <typename T, typename... Args> inline void write(T x, Args...x_){write(x), write(x_...);}
inline void newb(){putchar(' ');}
}
namespace code{
std::string s1, s2, s3, s4;
int main(){
std::cin >> s1 >> s2 >> s3 >> s4;
if(s1 == "You" && s2 == "are" && s3 == "right," && s4 == "but") std::cout << "AI";
else std::cout << "Human";
return 0;
}
}
int main(){
code::main();
return 0;
}