#include <cstdio>
using namespace std;
int main(){
	char before[4],after[4];
	scanf("%s",before);
	int n;	scanf("%d",&n);
	scanf(" %s",after);
	short bo=0,ao=0;
	for(int i=0;i<3;i++){
		if(before[i]=='o')	bo++;
		if(after[i]=='o')	ao++;
	}
	if(bo!=ao)	printf("SUCCESS\n");
	else{
		if(n==0){
			if(before==after)	printf("SUCCESS\n");
			else 	printf("FAILURE\n");
		}
		else if(n==1){
			char be2[4];	sprintf(be2,"%c%c%c",&before[0],&before[2],&before[1]);
			char be3[4];	sprintf(be3,"%c%c%c",&before[1],&before[0],&before[2]);
			if(be2==after||be3==after)	printf("FAILURE\n");
			else 	printf("SUCCESS\n");
		}
		else 	printf("FAILURE\n");
	}
	return 0;
}