#15:#include< iostream > using namespace std; int main(){ cout<<"hi"; return 0;}

#16:#include< cstdio >main(){puts("2016年奥运会在巴西里约热内卢举行。\n2016年8月5日开幕。\n2016年8月21日闭幕。");}

#17:#include< cstdio >int main(){puts(" ");puts(" ");puts(" ");puts(" ");puts(" ");return 0;}

#18:S=input()print("Hello %s!" %S)

#19:a9,a1,a2,a3,a4,a5,a6,a7,a8 = map(int,input().split())print(a9,a1,a2,a3,a4,a5,a6,a7,a8)

#20:a,b=map(int,input().split())print((a+b)*2)

#21:print'BCDEFGHIJKLMNOPQRSTUVWXYZ'

#22:s = input();for a in s:print(ord(a)+7,end='');

#23:print("1020")

#24:#include< stdio.h >main(){printf("ABCDEFGHIJKLMNOPQRSTUVWXYZ");}

#25:#include< iostream >using namespace std;int main(){double a,b,c,d;cin>>a>>b>>c>>d;cout<<(a+b+c+d)/4;}

#26:#include< iostream >using namespace std;int main(){double a,b;cin>>a>>b;cout<< a*b/2;}

#27:#include< cstdio >int main() {puts("6\n5\n9\n7\n27");return 0;}

#28:s=float(input());t=int(s);print("%.2f=%d+%.2f" %(s,t,s-t));

#29:a=int(input())if a%60==0:print(a//60)else:print('%.5f' % (a/60))print('%.7f' % (a/3600))

#30:s = input().split();a=int(s[0]);b=int(s[1]);print("%d+%d=%d"%(a,b,a+b));print("%d-%d=%d"%(a,b,a-b));print("%d%d=%d"%(a,b,ab));print("%d/%d=%.1f"%(a,b,a/b));print("%d%%%d=%d"%(a,b,a%b));

#31:F=float(input());C=(F-32)*5/9;print("%.4f" %C);

作者自嘲:禁止泄露AC代码！！！