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//O(FE)
/*
input
5 7
1 3 6
3 5 8
2 5 5
3 2 3
1 2 6
4 1 10
4 2 2
4 5
output
11
*/
#include<bits/stdc++.h>
using namespace std;
#define maxv 100
#define inf 0x3f3f3f3f
int v,e;
int s,t;
struct edge{int to,cap,rev;
};
vector<edge> G[maxv];
bool used[maxv];
void add_edge(int from ,int to,int cap)
{
G[from].push_back((edge){to,cap,G[to].size()});
G[to].push_back((edge){from,0,G[from].size()-1});
}
int dfs(int s,int t,int f)
{
if(s==t) return f;
used[s]=true;
for(int i=0;i<G[s].size();i++)
{
edge &e =G[s][i];
if(!used[e.to] && e.cap>0)
{
int d=dfs(e.to,t,min(f,e.cap));
if(d>0)
{
e.cap-=d;
G[e.to][e.rev].cap+=d;
return d;
}
}
}
return 0;
}
int max_flow(int s,int t)
{
int flow=0;
for(;;)
{
memset(used,0,sizeof(used));
int f=dfs(s,t,inf);
if(f==0) return flow;
flow+=f;
}
}
int main()
{
freopen("input.txt","r",stdin);
cin>>v>>e;
for(int i=0;i<e;i++)
{
int from,to,cap;
scanf("%d%d%d",&from,&to,&cap);
add_edge(from,to,cap);
}
cin>>s>>t;
cout<<max_flow(s,t);
return 0;
}
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