delete pics to save space

1.2613.cpp

@@ -0,0 +1,34 @@
+#include<cstdio>
+#include<cstring>
+#include<cassert>
+typedef long long LL;
+const LL mod=19260817;
+char str[10005];
+LL a,b,inv_b;
+LL gcd(LL a,LL b) { return b==0?a:gcd(b,a%b); }
+LL pow(LL a,int n)
+{
+	LL res=1;
+	for(;n>0;n>>=1)
+	{
+		if(n&1) res=res*a%mod;
+		a=a*a%mod;
+	}
+	return res;
+}
+int main()
+{
+	scanf("%s",str);
+	int len=strlen(str);
+	for(int i=0;i<len;i++) a=(a*10+str[i]-'0')%mod;
+	scanf("%s",str);
+	len=strlen(str);
+	for(int i=0;i<len;i++) b=(b*10+str[i]-'0')%mod;
+	if(gcd(b,mod)!=1) printf("Angry!\n");
+	else
+	{
+		inv_b=pow(b,mod-2);
+		printf("%lld\n",a*inv_b%mod);
+	}
+	return 0;
+}