27 lines
619 B
C++
27 lines
619 B
C++
#include<stdio.h>
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#include<string.h>
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#include<iostream>
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#include<algorithm>
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using namespace std;
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int t1[10000],t2[10000];
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int main(){
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int a,b;
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while(scanf("%d%d",&a,&b)!=EOF){
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if(a==0&&b==0)
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break;
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memset(t1,0,sizeof(t1));
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memset(t2,0,sizeof(t2));
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for(int i=0;i<a;i++)
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scanf("%d",&t1[i]);
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for(int i=0;i<b;i++)
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scanf("%d",&t2[i]);
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sort(t1,t1+a);
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sort(t2,t2+b);
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if(t1[0]<t2[1])
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printf("Y\n");
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else
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printf("N\n");
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}
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return 0;
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}
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