#include <stdio.h>
#include <ctype.h>
void parse_shell_input(char *line) {
// Your logic here
char *myLine = line;
int myIndex = 0;
int count = 0;
int myTokens = 0;
char tokens[4][10];
while(*myLine != 0x00){ //get string length
count++;
myLine++;
}
for (int i = 0; i < count; i++){
while((*line != 0x00) && (*line != ' ')){
tokens[myTokens][myIndex++] = *line;
line++;
}
if(*line == ' ') {
while(*line == ' ') line++;
}
tokens[myTokens++][myIndex] = 0x00;
myIndex = 0;
}
printf("%s\n", tokens[0]);
printf("%s\n", tokens[1]);
printf("%s\n", tokens[2]);
printf("%s\n", tokens[3]);
}
int main() {
char line[101];
fgets(line, sizeof(line), stdin);
parse_shell_input(line);
return 0;
}