#include <iostream>
#include <string>
#include <cstring>
 
int main()
{
    std::string S = "2e1553ce";
    int X = 0;
    for ( int i = 0; i < S.size(); ++i )
    {
        if ( isdigit( S[ i ] ) )
            X = X * 10 + S[ i ] - 48;
        else if ( i && isdigit( S[ i - 1 ] ) )
        {
            std::cout << X << std::endl;
            X = 0;
        }
    }
    if ( isdigit( S.size() - 1 ) )
        std::cout << X << std::endl;
}

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