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#line 1 "atoi.rl"
/*
* Convert a string to an integer.
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#line 13 "atoi.cpp"
static const int atoi_start = 1;
static const int atoi_first_final = 4;
static const int atoi_error = 0;
static const int atoi_en_main = 1;
#line 12 "atoi.rl"
long long atoi( char *str )
{
char *p = str, *pe = str + strlen( str );
int cs;
long long val = 0;
bool neg = false;
#line 32 "atoi.cpp"
{
cs = atoi_start;
}
#line 37 "atoi.cpp"
{
if ( p == pe )
goto _test_eof;
switch ( cs )
{
case 1:
switch( (*p) ) {
case 43: goto st2;
case 45: goto tr2;
}
if ( 48 <= (*p) && (*p) <= 57 )
goto tr3;
goto st0;
st0:
cs = 0;
goto _out;
tr2:
#line 22 "atoi.rl"
{
neg = true;
}
goto st2;
st2:
if ( ++p == pe )
goto _test_eof2;
case 2:
#line 64 "atoi.cpp"
if ( 48 <= (*p) && (*p) <= 57 )
goto tr3;
goto st0;
tr3:
#line 26 "atoi.rl"
{
val = val * 10 + ((*p) - '0');
}
goto st3;
st3:
if ( ++p == pe )
goto _test_eof3;
case 3:
#line 78 "atoi.cpp"
if ( (*p) == 10 )
goto st4;
if ( 48 <= (*p) && (*p) <= 57 )
goto tr3;
goto st0;
st4:
if ( ++p == pe )
goto _test_eof4;
case 4:
goto st0;
}
_test_eof2: cs = 2; goto _test_eof;
_test_eof3: cs = 3; goto _test_eof;
_test_eof4: cs = 4; goto _test_eof;
_test_eof: {}
_out: {}
}
#line 37 "atoi.rl"
if ( neg )
val = -1 * val;
if ( cs < atoi_first_final )
fprintf( stderr, "atoi: there was an error\n" );
return val;
};
#define BUFSIZE 1024
int main()
{
char buf[BUFSIZE];
while ( fgets( buf, sizeof(buf), stdin ) != 0 ) {
long long value = atoi( buf );
printf( "%lld\n", value );
}
return 0;
}
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