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#include<stdio.h>
int main() {
	int a,b,c;
	int i;
	while(scanf("%d %d %d",&a,&b,&c)!=EOF) {
		for(i=10; i<=100; i++) {
			if(i%3==a&&i%5==b&&i%7==c)
			break; 
		}
		if(i<=100)
		printf("%d\n",i);
		else
		printf("No answer\n");
	}
	return 0;
}