#include<stdio.h>

int main(){
	int a,b,c,d;
	char e;
	scanf("%d%c%d%c%d%c%d",&a,&e,&b,&e,&c,&e,&d);
	
	int f[10];
	f[0] = a;
	f[1] = b/100;
	f[2] = b%100/10;
	f[3] = b%10;
	f[4] = c/10000;
	f[5] = (c-f[4]*10000)/1000;
	f[6] = (c-f[4]*10000-f[5]*1000)/100;
	f[7] = (c-f[4]*10000-f[5]*1000-f[6]*100)/10;
	f[8] = c%10;
	f[9] = d;
	
	int i,g=0;
	for(i=0;i<9;i++){
		g+=(f[i]*(i+1));
	}
	
	if(g%11==f[9]){
		printf("Right");
	}else{
		printf("%d%c%d%c%d%c%d",a,e,b,e,c,e,g%11);
	}

	return 0;
}

代码可能很低级，初学者，感谢大佬们指导