// Read an integer from standard input.
// @note Consume all decimal digits; saturate on overflow.
 
int readInt() @nogc
{
    import core.stdc.ctype : isspace;
    import core.stdc.stdio : getchar, ungetc, stdin;
    import std.experimental.checkedint : checked, Saturate;
 
    int c;
    do
    {
        c = getchar();
    }
    while (isspace(c));
 
    bool negative = false;
 
    switch (c)
    {
        default : break;
        case '-': negative = true;
                  goto case '+';
        case '+': c = getchar();
    }
 
    int result = 0;
 
    for (int digit; uint(digit = c - '0') < 10; c = getchar())
    {
        // Subtract to utilize larger magnitude of negative.
        result = (result.checked!Saturate * 10 - digit).get;
    }
 
    ungetc(c, stdin);
    return negative ? result : (-result.checked!Saturate).get;
}
 
void main()
{
    import std.stdio;
 
    int n = 10;
 
    for (int i = 0; i < n; i++)
    {
        writeln(readInt());
    }
}

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