#include<bits/stdc++.h>
#define rep(x,y,z) for(int x=y;x<=z;x++)
#define drep(x,y,z) for(int x=y;x>=z;x--)
#define ull unsigned long long
#define ll long long
using namespace std;
inline int read()
{
	int x=0;bool flag=1;char ch=getchar();
	while(ch<'0'||ch>'9') {if(ch=='-')flag=0;ch=getchar();}
	while(ch>='0'&&ch<='9') {x=(x<<3)+(x<<1)+ch-'0';ch=getchar();}
	if(flag) return x;
	return ~(x-1);
} 
inline void write(int x)
{
	if(x<0) {x=~(x-1);putchar('-');}
	if(x>9) write(x/10);
	putchar(x%10+'0');
}
string a,b; 
int main()
{
    freopen("wjfg.in","r",stdin);
	freopen("wjfg.out","w",stdout);
    cin>>a>>b;
    if(a[0]=='*'&&b[0]=='*') cout<<"sbsyb\n";
    else if(a==b&&(a.length()==1&&a[0]!='1'||a.length()>1)) cout<<"ngm\n";
    else if(a.length()==1&&b.length()==1)
    {
    	if(a[0]=='1'&&b[0]=='1') cout<<"ngm\n";
    	else if(a[0]=='1'&&b[0]=='2'||a[0]=='2'&&b[0]=='1') cout<<"sbsyb\n";
    	else cout<<"sbsyb\n";
	}
    return 0;
}