delete pics to save space

5.1047A.cpp

@@ -0,0 +1,23 @@
+#include<cstdio>
+#include<cstdlib>
+int n;
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	int a,b,c;
+	scanf("%d",&n);
+	while(true)
+	{
+		a=rand()%(n-2)+1;
+		b=rand()%(n-a-1)+1;
+		c=n-a-b;
+		if(a%3&&b%3&&c%3)
+		{
+			printf("%d %d %d\n",a,b,c);
+			return 0;
+		}
+	}
+	return 0;
+}