syntax error : '}'

[jacksparrow]

hello
got syntax error : '}'

any help ?

# include <iostream>
using namespace std;

int main () { 

signed int max=50;
signed int sum=0;
signed int c;
signed int f;
signed int m;

    for ( int i=1; i<max; ++i)
        sum = sum + i;
    cin >>c;
    f=sum/c;
    if ( f<100.0)
    {
        cout <<"low";
    }
    else
    {
        cout <<"high";
    }
        m=-50;
        do { 
            m=m+5;
            while ( m<50);
        }
        
}