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import java.io.IOException;

public class Self_Test_Chapter3 {

public static void main(String[] args) throws IOException {

// TODO Auto-generated method stub

char input, ignore;

int count = 0;

System.out.println("Please enter something until you enter period.");

for (;;) {

input = (char) System.in.read();

// discard any other characters in the input buffer

do {

ignore = (char) System.in.read();

} while (ignore != '\n');

count++;

if (input == 46)

break;

}

System.out.println(count);

}

}