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#include<iostream>
#include<fstream>
using namespace std;
int main()
{
int n,m;
int i,j,man;
int a,b;
int v[100000];
fstream f("sortaret.in",ios::in);
f>>n>>m;
for(i=1;i<=n;i++)
v[i]=i;
while(f>>a>>b)
{
for(i=1;i<=n;i++)
if(v[i]==a)
break;
for(j=1;j<=n;j++)
if(v[j]==b)
break;
if(i>j)
{
man = v[i];
v[i]=v[j];
v[j]=man;
}
}
f.close();
fstream g("sortaret.out",ios::out);
for(i=1;i<=n;i++)
g<<v[i]<<" ";
g.close();
}